Catalina Rivas

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We report the appearance of three cases of Leydig cell tumours on MRI. This imaging method showed well-defined and peripheral intratesticular tumours displaying marked and homogeneous enhancement when contrast medium was used. This latter finding was only observed in Leydig cell tumours when they were compared in a series of 104 patients with different(More)
OBJECTIVE To assess insulin sensitivity, insulin secretion and metabolic profile in women with polycystic ovary syndrome (PCOS) in different stages of reproductive life. MATERIALS AND METHODS In a cross-sectional study, 190 PCOS women (PCOSw) and 99 controls (Cw) aged between 18 and 55years were included. PCOSw and Cw were distributed into 3 stages of(More)
BACKGROUND A growing body of evidence suggested that interleukin (IL)-21 enhances the effector phase during T-cell responses. The aim of our study is to determine the levels of IL-21 in periodontal sites from patients with chronic periodontitis and controls. METHODS The population studied consisted of 34 patients (15 with chronic periodontitis and 19(More)
Retrospective study in 51 patient with locally advanced prostate cancer (34 pT3 and 17 N+) selected from 88 radical prostatectomies performed between February 1985 and December 1993. An evaluation is made of the clinical/pathological stage correlation and the effectiveness of the different diagnostic methods (61% of understaging). The possibility to rescue(More)
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